diff --git a/pgml-sdks/pgml/src/vector_search_query_builder.rs b/pgml-sdks/pgml/src/vector_search_query_builder.rs
index c7fd402de..24de38a2f 100644
--- a/pgml-sdks/pgml/src/vector_search_query_builder.rs
+++ b/pgml-sdks/pgml/src/vector_search_query_builder.rs
@@ -326,7 +326,7 @@ pub async fn build_sqlx_query(
SIden::Str("chunk"),
SIden::Str("score"),
]);
- query.expr_as(Expr::cust("(rank).score"), Alias::new("rank_score"));
+ query.expr_as(Expr::cust("(rank).score"), Alias::new("rerank_score"));
// Build the actual select statement sub query
let mut sub_query_rank_call = Query::select();
@@ -364,6 +364,20 @@ pub async fn build_sqlx_query(
query
} else {
+ // Wrap our query to return a fourth null column
+ let mut vector_search_cte = CommonTableExpression::from_select(query);
+ vector_search_cte.table_name(Alias::new(format!("{prefix}_vector_search")));
+ ctes.push(vector_search_cte);
+
+ let mut query = Query::select();
+ query
+ .columns([
+ SIden::Str("document"),
+ SIden::Str("chunk"),
+ SIden::Str("score"),
+ ])
+ .expr_as(Expr::cust("NULL"), Alias::new("rerank_score"))
+ .from(SIden::String(format!("{prefix}_vector_search")));
query
};
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